CN207217790U - Multi-Function Antenna device and mobile terminal - Google Patents
Multi-Function Antenna device and mobile terminal Download PDFInfo
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- CN207217790U CN207217790U CN201721114582.1U CN201721114582U CN207217790U CN 207217790 U CN207217790 U CN 207217790U CN 201721114582 U CN201721114582 U CN 201721114582U CN 207217790 U CN207217790 U CN 207217790U
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Abstract
The utility model discloses a kind of Multi-Function Antenna device, including diversity antenna, radio frequency chip, frequency modulation chip and mainboard, the radio frequency chip and the frequency modulation chip are respectively arranged on the mainboard, and the radio frequency chip and the frequency modulation chip are electrically connected in the diverse location on the diversity antenna, the diversity antenna is provided with the ground feed point for being grounded, and the radio frequency chip is used to handle the wireless signal that the diversity antenna receives.The invention also discloses a kind of mobile terminal.The utility model discloses a kind of Multi-Function Antenna device and mobile terminal, diversity antenna and FM antennas realize multiplexing, while Conventional communication function is realized, radio function can also be realized, and extra antenna need not be set up in mobile terminal, cost is reduced, is advantageous to the ultrathin design of mobile terminal.
Description
Technical field
Antenna technical field is the utility model is related to, it is whole more specifically to a kind of Multi-Function Antenna device and movement
End.
Background technology
Most of mobile terminal all has radio function, and mobile terminal must be provided with corresponding FM (Frequency
Modulation, abbreviation FM) antenna, typically there are two kinds of designs at present, first, earphone cord is regarded into FM antennas, when needing to receive
When listening the FM to broadcast, must insertion earphone, use is inconvenient；Another design is that extra FM is set inside mobile terminal
Antenna, which substantially increases cost, while occupy the inner space of mobile terminal.
Utility model content
Technical problem to be solved in the utility model is overcome the deficiencies in the prior art, there is provided one kind realizes diversity day
Line and the antenna multiplexed Multi-Function Antenna devices of FM.
In order to realize above-mentioned purpose, the utility model employs following technical scheme：
A kind of Multi-Function Antenna device, including diversity antenna, radio frequency chip, frequency modulation chip and mainboard, the radio frequency chip
It is respectively arranged at the frequency modulation chip on the mainboard, and the radio frequency chip and the frequency modulation chip are electrically connected in institute
The diverse location on diversity antenna is stated, the diversity antenna is provided with the ground feed point for being grounded, and the radio frequency chip is used to handle
The wireless signal that the diversity antenna receives, realize the multiplexing of diversity antenna and FM antennas.
Preferably, the diversity antenna include that main part and being respectively perpendicular is connected to the main part both ends first
Section, the second detail, the first detail is identical with the second detail bearing of trend, and the length of the first detail is more than second detail
Length, the frequency modulation chip, which is powered, is connected to the end of first detail.
Preferably, first detail, the second detail are straight antenna detail.
Preferably, the mainboard has the first side and second side that are oppositely arranged, and the diversity antenna is provided with the
One signal feed, secondary signal feed point, first signal feed are located at second detail close to one end of first side,
The secondary signal feed point is located at first detail and is electrically connected to close to one end of second side, first signal feed
The radio frequency chip, the secondary signal feed point are electrically connected to the frequency modulation chip.
Preferably, described ground feed point is arranged at second detail close to one end of first signal feed.
Preferably, Multi-Function Antenna device also includes match circuit, and the match circuit is electrically connected to the secondary signal
Between feed point and the frequency modulation chip, for filtering out the cellular signal in FM antenna traces.
Preferably, the match circuit includes the first inductance, the second inductance and electric capacity, first inductance and described second
Inductance is connected, and one end of electric capacity ground connection, the other end is connected between first inductance and second inductance, and described the
One inductance is electrically connected to secondary signal feed point, and second inductance is electrically connected to the frequency modulation chip.
The utility model additionally provides a kind of mobile terminal, including any above-mentioned Multi-Function Antenna device.
The utility model discloses a kind of Multi-Function Antenna device and mobile terminal, diversity antenna and FM antennas are realized again
With while Conventional communication function is realized, moreover it is possible to realize radio function, and extra day need not be set up in mobile terminal
Line, cost is reduced, be advantageous to the ultrathin design of mobile terminal.
Brief description of the drawings
Fig. 1 is the Multi-Function Antenna principle of device block diagram of the utility model embodiment.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further described.It should be appreciated that specific embodiment described herein is only explaining this reality
With new, it is not used to limit the utility model.
As shown in figure 1, the Multi-Function Antenna device of the utility model embodiment include diversity antenna 10, radio frequency chip 20,
Frequency modulation chip 30 and mainboard 40, radio frequency chip 20 and frequency modulation chip 30 are respectively arranged on mainboard, and radio frequency chip 20 and frequency modulation
Chip 30 is electrically connected on the diverse location of diversity antenna 10, and diversity antenna 10 is provided with the ground feed point 13 for being grounded, its
Middle radio frequency chip 20 is used for the wireless signal for handling the reception of diversity antenna 10, has been achieved in that FM aerial signals and diversity antenna letter
Number by identical antenna come the purpose received, without setting up extra FM antennas, cost is reduced.
Specifically, the diversity antenna 10 in the present embodiment is the low frequency cabling for receiving low-frequency range diversity antenna signals,
So the wireless signal of the reception of low frequency cabling facilitates follow-up tuning closer to FM antenna bands.Wherein diversity antenna 10 wraps
Include main part 10c and be respectively perpendicular the first detail 10a for being connected to main part 10c both ends, the second detail 10b, the first detail 10a
It is identical with the second detail 10b bearing of trends, and the first detail 10a length is more than the second detail 10b length, frequency modulation chip 30
It is electrically connected to the first detail 10a end.
Further, mainboard 40 has the first side and second side being oppositely arranged, and diversity antenna 10 is provided with first
Signal feed 11, secondary signal feed point 12, the first signal feed 11 are located at the second detail 10b close to one end of first side, and
Binary signal feed point 12 is located at the first detail 10a close to one end of second side, and ground feed point 13 is located at the second detail (10b) close to the
One end of one signal feed 11.Wherein the first signal feed is electrically connected to radio frequency chip 20, as diversity antenna signals feed point,
Binary signal feed point is electrically connected to frequency modulation chip 30, and as FM aerial signal feed points, ground feed point is electrically connected on mainboard 40, realizes and divides
Collect the ground connection of antenna 10.Wherein the first detail 10a, the second detail 10b are straight antenna detail.Above-mentioned first signal feed
It on the one hand may be such that the cabling of diversity antenna 10 is unfolded with the layout of secondary signal feed point, on the other hand can reduce diversity antenna letter
Coupling number between FM aerial signals.
Frequency modulation chip 30, radio frequency chip 20 in the present embodiment are arranged on mainboard 40, by setting phase on mainboard 40
The first feeder line, the second feeder line answered, one end of the first feeder line are electrically connected to frequency modulation chip 30, and the other end passes through first antenna shell fragment
The first signal feed 11 is electrically connected to, one end of the second feeder line is electrically connected to radio frequency chip 20, and the other end passes through the second antenna flicking
Piece is electrically connected to secondary signal feed point 12.
Further, FM aerial signals are caused to do in order to reduce the cellular based communication signal received in diversity antenna 10
Disturb, match circuit 50 is additionally provided between secondary signal feed point 12 and frequency modulation chip 30, match circuit 50 is used to filter out FM antennas
Cellular based communication signal in circuit.Specifically, match circuit 50 includes the first inductance, the second inductance and electric capacity, the first inductance with
Second inductance is serially connected, and the first inductance is electrically connected to the first signal feed, and the second inductance is electrically connected to frequency modulation chip 30, electric capacity
One end be electrically connected between the first inductance and the second inductance, the other end ground connection.Wherein, the circuit of the first inductance and electric capacity composition
For filtering out the cellular based communication signal in FM antenna traces, the second inductance extends effective electrical length of FM antennas, to receive foot
Enough FM signals.
The Multi-Function Antenna device debugging process of the present embodiment is as follows：Two Zero-ohm resistors are separately positioned on first
On one inductance, the second inductance position, electric capacity position is not provided with any element, and the second feeder line is electrically connected into diversity
On antenna 10, the performance of each frequency range of diversity antenna is tested, after the completion of debugging, pulls down two Zero-ohm resistors, resistance is suitable
First inductance, the second inductance are set on a corresponding position, and suitable electric capacity is arranged on relevant position, you can are completed FM days
The debugging of line.In order to ensure the performance of diversity antenna signals, after the completion of FM antenna adjustments, continue to test diversity antenna signals
Performance, need further to debug diversity antenna signals if you have questions.
The mobile terminal of the utility model embodiment has above-mentioned Multi-Function Antenna device so that mobile terminal is being realized
While Conventional communication function, moreover it is possible to realize radio function, and unwanted set up unnecessary antenna.Wherein in the present embodiment
Mobile terminal include but is not limited to smart mobile phone, tablet personal computer etc..
The utility model discloses a kind of Multi-Function Antenna device and mobile terminal, diversity antenna and FM antennas are realized again
With while Conventional communication function is realized, moreover it is possible to realize radio function, and extra day need not be set up in mobile terminal
Line, cost is reduced, be advantageous to the ultrathin design of mobile terminal.
Specific embodiment of the present utility model is described in detail above, although having show and described some realities
Example is applied, it will be understood by those skilled in the art that not departing from this practicality that its scope is limited by claim and its equivalent
In the case of new principle and spirit, these embodiments can be modified and perfect, these modifications and improve also should be
In the scope of protection of the utility model.
Claims (8)
1. a kind of Multi-Function Antenna device, it is characterised in that including diversity antenna (10), radio frequency chip (20), frequency modulation chip
(30) it is respectively arranged at mainboard (40), the radio frequency chip (20) and the frequency modulation chip (30) on the mainboard (40), and
The radio frequency chip (20) and the frequency modulation chip (30) are electrically connected in the diverse location on the diversity antenna (10), institute
State diversity antenna (10) and be provided with the ground feed point (13) for being used for being grounded, the radio frequency chip (20) is used to handle the diversity antenna
(10) wireless signal received.
2. Multi-Function Antenna device according to claim 1, it is characterised in that the diversity antenna (10) includes main part
(10c) and the first detail (10a) for being connected to the main part (10c) both ends, the second detail (10b) are respectively perpendicular, first
Section (10a) is identical with the second detail (10b) bearing of trend, and the length of the first detail (10a) is more than second detail (10b)
Length, the frequency modulation chip (30) is electrically connected to the end of first detail (10a).
3. Multi-Function Antenna device according to claim 2, it is characterised in that first detail (10a), described second
Detail (10b) is straight antenna detail.
4. Multi-Function Antenna device according to claim 3, it is characterised in that the mainboard (40) has what is be oppositely arranged
First side and second side, the diversity antenna (10) are provided with the first signal feed (11), secondary signal feed point (12), institute
State the first signal feed (11) and be located at second detail (10b) close to one end of the first side, the secondary signal feedback
Point (12) is located at first detail (10a) close to one end of the second side, the first signal feed (11) electrical connection
In the radio frequency chip (20), the secondary signal feed point (12) is electrically connected to the frequency modulation chip (30).
5. Multi-Function Antenna device according to claim 4, it is characterised in that described ground feed point (13) is arranged at described
Two details (10b) are close to one end of first signal feed (11).
6. Multi-Function Antenna device according to claim 4, it is characterised in that also including match circuit (50), described
It is electrically connected to circuit (50) between the secondary signal feed point (12) and the frequency modulation chip (30).
7. Multi-Function Antenna device according to claim 6, it is characterised in that the match circuit (50) includes the first electricity
Sense, the second inductance and electric capacity, first inductance and second inductance series connection, one end ground connection of the electric capacity, the other end connect
It is connected between first inductance and second inductance, first inductance is electrically connected to the secondary signal feed point (12),
Second inductance is electrically connected to the frequency modulation chip (30).
8. a kind of mobile terminal, it is characterised in that including the Multi-Function Antenna device described in claim any one of 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114582.1U CN207217790U (en) | 2017-08-31 | 2017-08-31 | Multi-Function Antenna device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114582.1U CN207217790U (en) | 2017-08-31 | 2017-08-31 | Multi-Function Antenna device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207217790U true CN207217790U (en) | 2018-04-10 |
Family
ID=61826506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721114582.1U Expired - Fee Related CN207217790U (en) | 2017-08-31 | 2017-08-31 | Multi-Function Antenna device and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207217790U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546306A (en) * | 2018-11-16 | 2019-03-29 | 北京羽扇智信息科技有限公司 | A kind of FM antenna |
| CN113655406A (en) * | 2021-08-12 | 2021-11-16 | 惠州Tcl云创科技有限公司 | RF coaxial cable connection detection circuit, detection method and mobile terminal |
-
2017
- 2017-08-31 CN CN201721114582.1U patent/CN207217790U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546306A (en) * | 2018-11-16 | 2019-03-29 | 北京羽扇智信息科技有限公司 | A kind of FM antenna |
| CN113655406A (en) * | 2021-08-12 | 2021-11-16 | 惠州Tcl云创科技有限公司 | RF coaxial cable connection detection circuit, detection method and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20180831 |